PHP Levenshtein distance methods

gistfile1.php

class Example {
    public function length(){
        return 5;
    }
    public function __call($name,$arguments){
        $methods = get_class_methods($this);
        $ldist = 9999;
        $currmethod = $name;
        foreach($methods as $m){
            $distance = levenshtein($name,$m);
            if($distance < $ldist){
                $currmethod = $m;
                $ldist = $distance;
            }
        }
        return call_user_func(array($this,$currmethod),$arguments);
    }
}

$example = new Example();
echo $example->elngth();